package com.atguigu.common.valid;

import java.util.HashSet;
import java.util.Set;
import javax.validation.ConstraintValidator;
import javax.validation.ConstraintValidatorContext;

/**
 * @author hnb
 * @version 1.0
 * @Description:
 * @date 2021/11/3 下午7:08
 */
public class ListValueConstraintValidator implements ConstraintValidator<ListValue,Integer> {
    private Set<Integer> set=new HashSet<>();
    //初始化方法
    @Override
    public void initialize(ListValue constraintAnnotation) {
        int[] vals = constraintAnnotation.vals();
        for (int val : vals) {
            set.add(val);
        }

    }
    //判断是否检验成功

    /**
     *
     * @param value  需要校验的值
     * @param context
     * @return
     */
    @Override
    public boolean isValid(Integer value, ConstraintValidatorContext context) {
        return set.contains(value);
    }
}
